Finding the Fourth Proportional to 4,945.76, 7,422.94 and 3,100.48

Step by Step Solution

1. Step 1: Write the proportion equation
   4,945.76 : 7,422.94 = 3,100.48 : x
2. Step 2: Convert to fraction form
   4,945.76/7,422.94 = 3,100.48/x
3. Step 3: Cross multiply
   4,945.76x = 7,422.94 × 3,100.48
4. Step 4: Simplify right side
   4,945.76x = 23,014,662.33
5. Step 5: Solve for x
   x = 23,014,662.33/4,945.76
6. Step 6: Final answer
   x = 4,653.41